- Mode by HSS with heat treatment and Titanium Nitride coating
- Increases the hardness and makes the bits last up to 4-5 times longer than ordinary drill bits.
- Drill round holes in most metals, plastic, wood, and etc.
- Self-starting tips will not skid, no need for center punching or pilot drill.
- Designed to auto deburr the hole cut.
- Used on electric drills and drill presses.
- Triangular shank will not spin inside the chuck.